Schematic Diagram - Pre-Out Board; (Us, Cnd Models) - Sony STR-DA3000ES Service Manual

STR-DA3000ES
6-40. SCHEMATIC DIAGRAM – PRE-OUT Board – (US, CND models) •
(Page 33)
CN2901 1P
RELAY GND
CN2905 1P C2802
0.1
RELAY GND
L2801
10µH
RY-12V
A-10V
A+10V
(Page 33) CN2902
3P
C2805 C2806
CN2903 22 22
6P 16V 16V
PREOUT-RY
AUCOM-CLK
AUCOM-DATA
R2906
PREVOL-LAT 0
AGND
(Page 75)
PRE-SW
R2907
0
PRE-C
AGND
PRE-SBL
AGND
PRE-SBR
AGND
PRE-SL
AGND
PRE-SR
(Page 75)
AGND
R2908
0
PRE-L
AGND
PRE-R
AGND
CN2904
14P
R2956
0
R2957
0
R2958
0
See page 77 for IC Block Diagrams.
Q2800
DTA114TKA
BUFFER
R2953
10k
Q2951
2SC2712-YG
R2952
4.7k
R2919 C2917
100k 220p
C2916
C2915 R2917 R2918
220
22 50V 1k 33 C2918
10V
22
50V
C2922
0.01 LINE AMP
C2924
0.0022
VCC
IC2913
NJM4580E-D
TONE/ELECTRICAL
VEE
VOLUME
IC2912
CXD9725M
C2935 C2936 R2937 R2938 R2939 C2937
220 1k 33 100k 220p
22 50V
10V
C2966
C2965 R2967 R2968
220
22 50V 1k 33
10V
C2967
220p
LINE AMP
C2972
0.01
VCC
IC2963
NJM4580E-D
TONE/ELECTRICAL
VOLUME VEE
IC2962
CXD9725M
C2985 C2986
R2987 R2988 R2989 C2987
220
22 50V
1k 33 100k 220p
10V
R2903 R2853
10k 10k
Q2901 Q2851
2SC2712-YG 2SC2712-YG
R2902 R2852
4.7k 4.7k
Q2801,2851,2901,2951
RELAY DRIVER
C2816
R2805 C2815 R2817
220
100k 22 50V 1k
10V
R2806 0
R2807
0
TONE/ELECTRICAL
VOLUME
IC2812
CXD9725M
R2808
0
R2835 100k
C2836
C2835
220 10V 22 50V
C2866
R2855 C2865
220
100k 22 R2867
10V
R2856 50V 1k
0
R2857
0
TONE/ELECTRICAL
VOLUME
IC2862
CXD9725M
R2858
0
C2886 C2885 R2887
220 10V 22 50V
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
58 58
R2803
10k
Q2801
2SC2712-YG
R2802
4.7k
R2820
68k
R2818 R2819 C2817
220p
33 100k
C2818 RY2801
22
-1
50V
-2
R2822
100
R2842
100
D2801
1SS355TE-17
VCC
IC2813
NJM4580E-D
R2804
C2801
10
0.1
VEE
C2822
0.01
LINE AMP
C2838 R2840
22 68k
50V
R2837 R2838 C2837
1k 33 220p
R2839
100k R2870
68k
R2868
R2869 C2867
33
100k 220p
C2868
22
50V RY2851
-1
-2
R2872
100
C2872
0.01
D2851
VCC
1SS355TE-17
IC2863
NJM4580E-D
VEE
C2851
R2892 R2854
0.1
100 10
C2888
22 R2890
50V 68k
LINE AMP
R2920
68k
RY2901
R2888 C2887 -1
1k
33 220p
R2889
-2
100k
R2922
100
R2942
100 R2904
10
D2901
1SS355TE-17
C2938
22
50V C2901
0.1
R2940
68k
R2970
68k
RY2951
C2968 R2972
22 100
50V R2954
10
R2992
D2951
100
1SS355TE-17
C2988
22 C2951 R2990
50V 0.1 68k
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
J2815
2P
R2824 C2819
1k 100p
SUB WOOFER
AUDIO OUT
PREOUT
CENTER
R2844 C2839
1k 100p
C2834
0
(CHASSIS)
R2873
1k
J2875
2P
C2869
L
100p PREOUT
SURROUND
BACK
R
C2889
R2893
1k 100p
C2884
0
(CHASSIS)
R2923
1k
J2915
C2919 2P
L
100p
PREOUT
SURROUND
R
R2943 C2939
1k 100p
C2934
0
(CHASSIS)
R2973 C2969
1k 100p J2975
2P
L
PREOUT
FRONT
R
R2993 C2989
1k 100p C2983
0
(CHASSIS)